*{
    margin: 0;
    padding: 0;
}
.box{
    width: 1012px;
    background:white;
    margin:0 auto;
    position:relative;
}
.yiyuan{
    position:absolute;
    left:-260px;
    top:200px;
}
.weima{
    position:absolute;
    right:-170px;
    top:200px;
}
.kefu{
    position:fixed;
    right:10px;
    bottom:260px;
}
.shouji{
    position:fixed;
    right:0;
    bottom:0;
}